Absolute certainty is not something I strive for anymore. I've learned the hard way that destiny usually looks upon our most strident convictions with amusement, or perhaps even pity.
I think as an actress, I prefer having a character on the page. It allows you to be more invested in actually creating a whole person. It's easier when you're not trying to come up with your next line on the spot.
My feeling is that scientific method has the power to account for and interlink all phenomena in the universe, including its origin, using the laws of nature. But that still leaves the laws unexplained.

